The cells that develop to form the outer lining of an animal's body make up the _[blank]_.

blastula

endoderm

ectoderm

mesoderm

What aspect of mid-ocean ridges provides the mechanism that allows plate tectonics to occur? a Old rock is melted into magma. b Choice 2 (Correct Answer) New rock is formed from magma. c Seamounts are shaped. d Trenches are destroyed.

What are 3 positive things of humans and bacteria living in our body interact?

During interphase of the cell cycle, a muscle cell was determined to contain less mitochondria than needed. What would most likely happen to this cell?

The smallest of the single-celled organisms that assist with decomposition in the soil are most likely to have which of the following characteristics? a. A different form of DNA containing uracil instead of thymineb.

There are two different species of finch that live on the same small island, species A and species B. Both species successfully feed and reproduce on the island. Species A nests in pine trees and eats large seeds.

Which of these is considered to be the "king" of the social sciences Geography Economics Sociology Political science

How much time have organisms had to change?

Which winds are usually warmer and more humid? Winds blowing from the north Winds blowing from the south Winds moving from the land Winds moving toward the ocean

Phylogeny refers to a. the evolutionary history of a group of related organisms. b. a group of organisms that includes an ancestor and all of its descendants. c. Darwin's method to classify organisms. d. all of the above

Vertebrae protect the cerebellum. true or false